人教高二英語選修8 unit2 cloning Using language

1、 unit 2 cloning using languageunit 2 cloning using language the return of the dinosaurs? the return of the dinosaurs?answer the following questions:answer the following questions: have you ever seen the film jurassic park? have you ever seen the film jurassic park? do people like this film? do peopl

2、e like this film? what animals do you see in the film? what animals do you see in the film? are they real dinosaurs? are they real dinosaurs? do you think it is possible to clone dinosaurs?do you think it is possible to clone dinosaurs?warming upwarming uplisten to the text and then tell the followi

3、ng listen to the text and then tell the following sentences are true or false. sentences are true or false. ( students can discuss in ( students can discuss in pairs. )pairs. )1. 1. scientists are still experimenting with scientists are still experimenting with cloning mammals because they think it

4、can cloning mammals because they think it can make money.make money.2. 2. the animals that have disappeared from the animals that have disappeared from the earth, like dinosaurs, can be brought the earth, like dinosaurs, can be brought back to life through cloning.back to life through cloning.3. 3.

5、if we can clone any extinct animals, we if we can clone any extinct animals, we should let them live in a zoo.should let them live in a zoo.f ff ff f1. the film 1. the film jurassic parkjurassic park is popular is popular because _. because _. a. people are interested in the subject a. people are in

6、terested in the subject of cloning of cloning b. all the actors are dinosaurs b. all the actors are dinosaurs c. it was directed by a scientist who c. it was directed by a scientist who clones dinosaurs clones dinosaurs d. it proves very interesting d. it proves very interestingchoose the best answe

7、rs. choose the best answers. 2. which of the following is true? _2. which of the following is true? _a.a. mice were cloned in 1981.mice were cloned in 1981.b. dolly the sheep was the first cloned b. dolly the sheep was the first cloned animal.animal.c. the name of the cloned cow is “bison”c. the nam

8、e of the cloned cow is “bison”d. china was successful in cloning d. china was successful in cloning mammals.mammals.3. from the first paragraph, how many 3. from the first paragraph, how many kinds of animals have been cloned kinds of animals have been cloned since 1950s?since 1950s? seven: frogs, m

9、ice, cows, sheep, calves, seven: frogs, mice, cows, sheep, calves, cats, dog. cats, dog. give some reasons why it is either impossible give some reasons why it is either impossible or unsuitable to clone extinct animals.or unsuitable to clone extinct animals.reason 1:reason 1:reason 2:reason 2:reaso

10、n 3:reason 3:you need perfect dnayou need perfect dnathere is not enough diversity for there is not enough diversity for cloned animals to overcome new cloned animals to overcome new diseases.diseases.it would be unfair to clone any it would be unfair to clone any extinct animals if they would have

11、to extinct animals if they would have to live in a zoo.live in a zoo.advantage of diversity disadvantage of diversitydiversity in a group of cloned animalsif there is a new illness, some of these animals may die, but others will survive and passed on the ability to resist that disease to their child

12、ren.they would all have the same arrangement of genes and so they might all die of the same disease.why is it wrong to clone an extinct why is it wrong to clone an extinct animal if it would have to live in a zoo?animal if it would have to live in a zoo?it is not a good idea to clone an animal it is

13、 not a good idea to clone an animal that would have to live in a zoo because that would have to live in a zoo because it is not a suitable habitat to develop and it is not a suitable habitat to develop and increase its numbers. the zoo is not a increase its numbers. the zoo is not a natural environm

14、ent for a wild animal.natural environment for a wild animal.why cant you clone the dna of why cant you clone the dna of animals that have been extinct longer animals that have been extinct longer than 10,000 years? than 10,000 years? the dna of animals more than 10,000 the dna of animals more than 1

15、0,000 years old is not suitable for cloning, for years old is not suitable for cloning, for it cant survive so long.it cant survive so long.merely a dreammerely a dreamconclusion:conclusion:the chance of dinosaurs returning to the chance of dinosaurs returning to the earth is _.the earth is _.1. we

16、can infer from the text that _. 1. we can infer from the text that _. a. scientists are experimenting to clone a. scientists are experimenting to clone dinosaursdinosaursb. dinosaurs will never return to the earthb. dinosaurs will never return to the earthc. cloned animals will only live in the zooc

17、. cloned animals will only live in the zood. the dna of dinosaurs can only survive d. the dna of dinosaurs can only survive 10000 year10000 year2. what is the authors attitude in this 2. what is the authors attitude in this passage?passage?a.a. subjective. b. positive.subjective. b. positive.c. favo

18、rable. d. objective.c. favorable. d. objective.3. what is the main idea of this passage?3. what is the main idea of this passage?a.a. it proves the return of the dinosaurs.it proves the return of the dinosaurs.b.b. it shows the history of cloning dinosaurs.it shows the history of cloning dinosaurs.c

19、. c. “the return of the dinosaurs” is “the return of the dinosaurs” is impossible or unsuitable.impossible or unsuitable.d.d. “the return of the dinosaurs” is an “the return of the dinosaurs” is an excited story.excited story.1. the popularity of films such as 1. the popularity of films such as jura

20、ssic parkjurassic park, , in in whichwhich a scientist clones several kinds of a scientist clones several kinds of extinct dinosaurs, proves extinct dinosaurs, proves how how the idea struck the idea struck a mixture of fear and excitement into peoples a mixture of fear and excitement into peoples h

21、earts.hearts.引導定語從句引導定語從句引導賓語從句引導賓語從句 在在侏羅紀公園侏羅紀公園這部電影中這部電影中, 有一有一位科學家克隆了好幾種不同的絕種恐位科學家克隆了好幾種不同的絕種恐龍。類似這樣的電影很受歡迎龍。類似這樣的電影很受歡迎, 證明了證明了這一想法使人們感到既興奮又恐懼。這一想法使人們感到既興奮又恐懼。 strike fear/excitement into ones heart 使某人感到恐懼使某人感到恐懼/興奮興奮 strike sb. down 摧垮，使病倒，使喪命摧垮，使病倒，使喪命(1) her words _ so that he was sleepless

22、 all night long, afraid of being killed unexpectedly some day.(2) he _ by cancer when he was only thirty. struck fear into his heartstruck fear into his heartwas struck downwas struck downmany people who had seen the film were afraid to go to the forest when they remembered the scenes _ people were

23、eaten by the tiger.a. in which b. by which c. which d. that解析：題意為“很多看過這部電影的人，當回想到人被老虎吃掉的情景時，就不敢去森林里了”。本題考查“介詞+關(guān)系代詞”引導的定語從句?！皃eople were eaten by the tiger”是定語從句，先行詞the scenes在定語從句中作地點狀語，表示”在這種情景中”，所以選aa a 2. from time to time people suggest that extinct animals like dinosaurs, can possibly be brough

24、t back to life through cloning. 人們時常設(shè)想滅絕的動物人們時常設(shè)想滅絕的動物, 例如恐龍例如恐龍,有可能通過克隆技術(shù)使它們復活。有可能通過克隆技術(shù)使它們復活。from time to time 有時有時, 間或間或, 偶爾偶爾,= occasionally, now and then bring back to life 使復生，使復活使復生，使復活 come to oneself 蘇醒過來蘇醒過來(1) it is said that the mysterious medicine can _ (能使死人復活能使死人復活).(2) he finally _(蘇

25、醒過來了蘇醒過來了) after three days sleep.bring the dead back to lifebring the dead back to lifecame to himselfcame to himself3. diversity in a group means having animals with their genes arranged in different ways. 群中的多樣性指的是擁有基因排列方式群中的多樣性指的是擁有基因排列方式不同的動物。不同的動物。作定語作定語以不同的方式以不同的方式mean doing sth. 意味著意味著.have

26、sth. done 讓某人做某事讓某人做某事4. others will survive and pass on the ability to resist that disease to the next generation. 其他的將存活下來并傳遞其后代抵抗其他的將存活下來并傳遞其后代抵抗 這種病的能力。這種病的能力。 pass on.to. 將將.傳給傳給.resistvt. 抵制抵制, 抵抗抵抗resistance n. 抵抗抵抗, 反抗反抗; 抵抗力抵抗力; 耐性耐性resistant adj. 抵抗的抵抗的; 防防的；的； resist sth. / doing sth. 抵制某

27、事抵制某事/做某事做某事cant resist sth. / doing sth. 禁不住某事禁不住某事/做某事做某事resist the enemy/ temptation 抵抗敵人抵抗敵人/抵制誘惑抵制誘惑根據(jù)漢字提示完成句子。根據(jù)漢字提示完成句子。1) we are determined to stay and _ (抵抗敵人抵抗敵人).2) tom _ (忍不忍不住開玩笑住開玩笑) about his strange hairstyle.3) quite a few people in power _ _ (抵制不住金抵制不住金錢的誘惑錢的誘惑) and disobey the law. cant resist the cant resist the temptation of moneytemptation of moneyresist the enemyresist the enemycouldnt resist playing jokescou